CN205219011U - A push -and -pull rotary device that is used for big lead angle screw rod drilling tool of dismouting - Google Patents
A push -and -pull rotary device that is used for big lead angle screw rod drilling tool of dismouting Download PDFInfo
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- CN205219011U CN205219011U CN201520985398.9U CN201520985398U CN205219011U CN 205219011 U CN205219011 U CN 205219011U CN 201520985398 U CN201520985398 U CN 201520985398U CN 205219011 U CN205219011 U CN 205219011U
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- sleeve body
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Abstract
The utility model discloses a push -and -pull rotary device that is used for big lead angle screw rod drilling tool of dismouting, including the spindle nose body and the axle sleeve body, the head of the spindle nose body is located in the cavity of axle sleeve body one end, the spindle nose body with but be push -and -pull swivelling joint between the axle sleeve body, the afterbody of the spindle nose body is provided with the connecting portion of being connected with push -and -pull drive arrangement, the other end of the axle sleeve body is provided with the connecting portion of being connected with big lead angle screw rod drilling tool, perhaps, the afterbody of the spindle nose body is provided with the connecting portion of being connected with big lead angle screw rod drilling tool, the other end of the axle sleeve body is provided with the connecting portion of being connected with push -and -pull drive arrangement. The utility model discloses the in -process of installing and removing in the push -and -pull to big lead angle screw rod drilling tool can the relative rotation between stator and the rotor, has reduced the deformation of the rubber body widely, so the internal thread of the rubber body in the stator but the wall exempts from to wear and tear has lengthened the life of the rubber body greatly.
Description
Technical field
The utility model relates to a kind of device for dismounting great-lift angle helicoid hydraulic motor, particularly relates to a kind of sliding rotary device for dismounting great-lift angle helicoid hydraulic motor.
Background technology
As shown in Figure 1, great-lift angle helicoid hydraulic motor of the prior art comprises stator 8 and rotor 10, described stator 8 is embedded with tubular rubber bodies 9, the madial wall of described tubular rubber bodies 9 is provided with great-lift angle internal thread 9-1, correspondingly, the lateral wall of described rotor 10 is provided with great-lift angle external screw thread 10-1, and described great-lift angle is normally greater than 45 degree and is less than the angle of 90 degree.Such great-lift angle helicoid hydraulic motor does not also have specific purpose tool to mount and dismount it at present, and conventional method carries out dismounting great-lift angle screw drill by manpower rotating sliding or by push-and-pull hydraulic cylinder reciprocating sliding.Because stator needs fixing in the process of push-and-pull, rotor just cannot rotate in the process pushed away or draw, and therefore, the assembling between the external screw thread of rotor and the internal thread of rubber bodies can only lean on the compression of rubber bodies to realize with disassembling.But the length of stator and the length of rotor are generally at 2 meters about-9 meters, all long, in this process heavy wear stator, the internal thread of rubber bodies, substantially reduces the service life of rubber bodies.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of sliding rotary device for dismounting great-lift angle helicoid hydraulic motor, and this sliding rotary device can be exempted to wear and tear the internal thread of rubber bodies in stator by wall, substantially prolongs the service life of rubber bodies.
In order to solve the problems of the technologies described above, the utility model is used for the sliding rotary device of dismounting great-lift angle helicoid hydraulic motor, comprise spindle nose body and sleeve body, the head of described spindle nose body is positioned at the cavity of described sleeve body one end, described spindle nose body with between described sleeve body for being connected by sliding rotary; Described can sliding rotary connection be when described spindle nose body and described sleeve body are subject to axial compressive force effect respectively, described spindle nose body can rotate relatively with between described sleeve body, when described spindle nose body and described sleeve body are subject to axial tension effect respectively, described spindle nose body can rotate relatively with between described sleeve body; The afterbody of described spindle nose body is provided with the connecting portion be connected with push-and-pull drive unit, the other end of described sleeve body is provided with the connecting portion be connected with great-lift angle helicoid hydraulic motor, or, the afterbody of described spindle nose body is provided with the connecting portion be connected with great-lift angle helicoid hydraulic motor, and the other end of described sleeve body is provided with the connecting portion be connected with push-and-pull drive unit.
The head of described spindle nose body can be connected by sliding rotary with described sleeve body by bearing assembly.
Described bearing assembly comprises the first thrust bearing and the second thrust bearing, the head of described spindle nose body has push-and-pull to drive baffle ring, described first thrust bearing and and the second thrust bearing be positioned at described push-and-pull and drive the two ends of baffle ring, the blowout patche of described first thrust bearing is relative with the blowout patche of described second thrust bearing, the seat ring of described first thrust bearing and the seat ring of described second thrust bearing opposing, it is axially press to be connected that blowout patche and the described push-and-pull of described first thrust bearing drive between baffle ring end face, axially press to be connected between the seat ring of described first thrust bearing and the cavity of described sleeve body one end, it is axially press to be connected that blowout patche and the described push-and-pull of described second thrust bearing drive between another end face of baffle ring, axially press to be connected between the seat ring of described second thrust bearing and the cavity of described sleeve body one end, or the head of described spindle nose body directly drives baffle ring to be formed can be connected by sliding rotary with the cavity of described sleeve body one end by push-and-pull.
Described bearing assembly comprises the first ball bearing and the second ball bearing, described first ball bearing is positioned at one end of described spindle nose body head, described second ball bearing is positioned at the other end of described spindle nose body head, the inner ring of described first ball bearing is connected with one end of described spindle nose body head, the outer ring of described first ball bearing is connected with the cavity of described sleeve body one end, the inner ring of described second ball bearing is connected with the other end of described spindle nose body head, and the outer ring of described second ball bearing is connected with the cavity of described sleeve body one end; Or the two ends, portion of described spindle nose body head are directly formed with the cavity of described sleeve body one end and are rotatably connected.
The outer ring of described second ball bearing is connected by the cavity of bearing block with described sleeve body one end, and the shape of described bearing block is cylindrical, and an end margin of described bearing block radially inwardly shrinks the annulus being formed and block described second ball bearing outer ring.
The cavity hatch place of described sleeve body one end is provided with cavity lock nut, the shape of described cavity lock nut is annular, the lateral wall of described cavity lock nut is provided with the screw thread for being connected with the cavity hatch of described sleeve body one end, described cavity lock nut has the coaxial stairstepping circular hole of two joints, wherein, the inwall of path circular hole is circumferentially provided with annular seal grooves, the sealing ring for being connected with the seal shaft seal rotary on described spindle nose body is provided with in described annular seal grooves, described cavity lock nut is positioned on the end face outside path circular hole and is distributed with dismounting hole, the described cavity lock nut end face be positioned at outside the circular hole of large footpath withstands the outer ring of the second ball bearing.
Described spindle nose body passes through and is followed successively by the first bolster, bearing gear, the first thrust axis, push-and-pull driving baffle ring, the second thrust axis, the second bolster, seal shaft, axle journal, clamping axle, thread head, described push-and-pull drives the diameter of baffle ring to be greater than the diameter of described first thrust axis, the diameter of described first thrust axis equals the diameter of described second thrust axis, the diameter of described first thrust axis is greater than the diameter of described second bolster, the diameter of described second bolster is greater than the diameter of described first bolster, the diameter of the first bolster is greater than the diameter of described bearing gear, the diameter of described second bolster is greater than the diameter of described seal shaft, the diameter of described seal shaft is greater than described axle journal, the diameter of described seal shaft equals the diameter of described clamping axle, the diameter of described clamping axle is greater than the diameter of described thread head, described first thrust axis is equipped with the first thrust bearing, described second thrust axis is equipped with the second thrust bearing, described first bolster is equipped with the first ball bearing, the inner ring diameter of described first ball bearing is more than or equal to the diameter of described bearing gear, described second bolster is equipped with successively bearing block and the second ball bearing, described sealing axle sleeve is equipped with cavity lock nut, described axle journal is configured with two semicircle baffle ring, the lateral surface of described pair of semicircle baffle ring is circumferentially provided with annular anchoring groove, described clamping axle snaps in the U-shaped holddown groove of push-and-pull hydraulic cylinder piston rod end, described thread head is configured with packing ring baffle ring and nut.
Described sleeve body comprise set of shells and with this set of shells by the little axle of the frock of pin pin joint, described pin is configured with hold-down nut.
The shape of described set of shells is tubular, one end closure of described set of shells the pin connector being formed and be fixedly connected with the little axle of described frock that stretches out, the sidewall of described connector is provided with fixed pin holes, the cavity of described set of shells forms three joint coaxial cylindrical cavitys of other end opening, be followed successively by the first ball bearing chamber, thrust bearing seat ring chamber, processing annular groove, annular seal space from the bottom of chamber to accent, described thrust bearing seat ring chamber is divided into two parts in the axial direction by thrust bearing blowout patche chamber, the internal diameter in described thrust bearing blowout patche chamber is greater than the internal diameter in described thrust bearing seat ring chamber, the internal diameter in described thrust bearing seat ring chamber is greater than the internal diameter in described first ball bearing chamber, the internal diameter in described thrust bearing seat ring chamber is less than the internal diameter of described annular seal space, and the internal diameter of described annular seal space is less than the internal diameter of described processing annular groove, the blowout patche of the blowout patche of described first thrust bearing and described second thrust bearing is had in described thrust bearing blowout patche chamber, the seat ring of the first thrust bearing is had in the part in described thrust bearing seat ring chamber, the seat ring of described second thrust bearing is had in the another part in described thrust bearing seat ring chamber, bearing block and the second ball bearing, described first ball bearing is had in described first ball bearing chamber, the madial wall of described annular seal space is provided with the screw thread for being fixedly connected with cavity lock nut, the seat ring of described second thrust bearing, described bearing block, the outer ring of described second ball bearing, described cavity lock nut compresses according to dodging.
The little axle of described frock comprises axostylus axostyle, described axostylus axostyle is provided with through hole vertically, one end of described axostylus axostyle is provided with workpiece connecting portion, the other end of described axostylus axostyle is provided with pin adapter sleeve, the shape of described workpiece connecting portion is cylindrical, and the lateral surface of described workpiece connecting portion is provided with the external screw thread for fixedly connecing workpiece, and the shape of described pin adapter sleeve is cylindrical, the head side wall of described pin adapter sleeve runs through fixed pin holes, and two sidewalls that the root of described pin adapter sleeve is opposing are provided with jaw.
The sliding rotary device that the utility model is used for dismounting great-lift angle helicoid hydraulic motor compared with prior art has following beneficial effect.
1, the technical program is positioned at the cavity of described sleeve body one end due to the head that have employed described spindle nose body, described spindle nose body with between described sleeve body for being connected by sliding rotary, described can sliding rotary connection be when described spindle nose body and described sleeve body are subject to axial compressive force effect respectively, described spindle nose body can rotate relatively with between described sleeve body, when described spindle nose body and described sleeve body are subject to axial tension effect respectively, described spindle nose body can rotate relatively with between described sleeve body, the afterbody of described spindle nose body is provided with the connecting portion be connected with push-and-pull drive unit, the other end of described sleeve body is provided with the connecting portion be connected with great-lift angle helicoid hydraulic motor, or, the afterbody of described spindle nose body is provided with the connecting portion be connected with great-lift angle helicoid hydraulic motor, the other end of described sleeve body is provided with the technological means of the connecting portion be connected with push-and-pull drive unit, in the process that the push-and-pull of great-lift angle helicoid hydraulic motor is installed and removed, can relatively rotate between stator with rotor, reduce the distortion of rubber bodies widely, so, can to exempt to wear and tear the internal thread of rubber bodies in stator by wall, substantially prolongs the service life of rubber bodies.
2, the technical program due to the head that have employed described spindle nose body can the technological means that is connected of sliding rotary by bearing assembly and described sleeve body, so, frictional force between the head of spindle nose body and described sleeve body can be reduced widely, the flexibility of relative motion between the head of spindle nose body and described sleeve body can be increased widely.
3, the technical program comprises the first thrust bearing and the second thrust bearing owing to have employed described bearing assembly, the head of described spindle nose body has push-and-pull to drive baffle ring, described first thrust bearing and and the second thrust bearing be positioned at described push-and-pull and drive the two ends of baffle ring, the blowout patche of described first thrust bearing is relative with the blowout patche of described second thrust bearing, the seat ring of described first thrust bearing and the seat ring of described second thrust bearing opposing, it is axially press to be connected that blowout patche and the described push-and-pull of described first thrust bearing drive between baffle ring end face, axially press to be connected between the seat ring of described first thrust bearing and the cavity of described sleeve body one end, it is axially press to be connected that blowout patche and the described push-and-pull of described second thrust bearing drive between another end face of baffle ring, axially press the technological means be connected between the seat ring of described second thrust bearing and the cavity of described sleeve body one end, so, can effectively prevent between the head of spindle nose body and sleeve body mutually stuck because of push-and-pull.
4, the technical program comprises the first ball bearing and the second ball bearing owing to have employed described bearing assembly, described first ball bearing is positioned at one end of described spindle nose body head, described second ball bearing is positioned at the other end of described spindle nose body head, the inner ring of described first ball bearing is connected with one end of described spindle nose body head, the outer ring of described first ball bearing is connected with the cavity of described sleeve body one end, the inner ring of described second ball bearing is connected with the other end of described spindle nose body head, the technological means that the outer ring of described second ball bearing is connected with the cavity of described sleeve body one end, so, greatly can increase the head flexibility that rotate relative between sleeve body of spindle nose body.
5, the technical program is connected by the cavity of bearing block with described sleeve body one end due to the outer ring that have employed described second ball bearing, the shape of described bearing block is cylindrical, one end margin of described bearing block radially inwardly shrinks the technological means being formed and block the annulus of described second ball bearing outer ring, so, be conducive to the assembling of sliding rotary device.
6, the technical program is provided with cavity lock nut due to the cavity hatch place that have employed described sleeve body one end, the shape of described cavity lock nut is annular, the lateral wall of described cavity lock nut is provided with the screw thread for being connected with the cavity hatch of described sleeve body one end, described cavity lock nut has the coaxial stairstepping circular hole of two joints, wherein, the inwall of path circular hole is circumferentially provided with annular seal grooves, the sealing ring for being connected with the seal shaft seal rotary on described spindle nose body is provided with in described annular seal grooves, described cavity lock nut is positioned on the end face outside path circular hole and is distributed with dismounting hole, the described cavity lock nut end face be positioned at outside the circular hole of large footpath withstands the technological means of the outer ring of the second ball bearing, so, not only be conducive to the processing of sleeve body, also the assembling between sleeve body and spindle nose body is conducive to, also help the sealing between sleeve body and spindle nose body.
7, the technical program due to have employed described spindle nose body pass through be followed successively by the first bolster, bearing gear, the first thrust axis, push-and-pull drive baffle ring, the second thrust axis, the second bolster, seal shaft, axle journal, clamping axle, thread head, described push-and-pull drives the diameter of baffle ring to be greater than the diameter of described first thrust axis, the diameter of described first thrust axis equals the diameter of described second thrust axis, the diameter of described first thrust axis is greater than the diameter of described second bolster, the diameter of described second bolster is greater than the diameter of described first bolster, the diameter of the first bolster is greater than the diameter of described bearing gear, the diameter of described second bolster is greater than the diameter of described seal shaft, the diameter of described seal shaft is greater than described axle journal, the diameter of described seal shaft equals the diameter of described clamping axle, the diameter of described clamping axle is greater than the diameter of described thread head, described first thrust axis is equipped with the first thrust bearing, described second thrust axis is equipped with the second thrust bearing, described first bolster is equipped with the first ball bearing, the inner ring diameter of described first ball bearing is more than or equal to the diameter of described bearing gear, described second bolster is equipped with successively bearing block and the second ball bearing, described sealing axle sleeve is equipped with cavity lock nut, described axle journal is configured with two semicircle baffle ring, the lateral surface of described pair of semicircle baffle ring is circumferentially provided with annular anchoring groove, described clamping axle snaps in the U-shaped holddown groove of push-and-pull hydraulic cylinder piston rod end, described thread head is configured with packing ring baffle ring and nut, technological means, so, raw material can be saved widely, improve working (machining) efficiency.
8, the technical program due to have employed described sleeve body and comprise set of shells and with this set of shells by the little axle of the frock of pin pin joint, described pin is configured with the technological means of hold-down nut, so, be not only conducive to the processing of set of shells, and, be more conducive to the labour intensity reducing employee.
9, the technical program due to the shape that have employed described set of shells be tubular, one end closure of described set of shells the pin connector being formed and be fixedly connected with the little axle of described frock that stretches out, the sidewall of described connector is provided with fixed pin holes, the cavity of described set of shells forms three joint coaxial cylindrical cavitys of other end opening, be followed successively by the first ball bearing chamber, thrust bearing seat ring chamber, processing annular groove, annular seal space from the bottom of chamber to accent, described thrust bearing seat ring chamber is divided into two parts in the axial direction by thrust bearing blowout patche chamber, the internal diameter in described thrust bearing blowout patche chamber is greater than the internal diameter in described thrust bearing seat ring chamber, the internal diameter in described thrust bearing seat ring chamber is greater than the internal diameter in described first ball bearing chamber, the internal diameter in described thrust bearing seat ring chamber is less than the internal diameter of described annular seal space, and the internal diameter of described annular seal space is less than the internal diameter of described processing annular groove, the blowout patche of the blowout patche of described first thrust bearing and described second thrust bearing is had in described thrust bearing blowout patche chamber, the seat ring of the first thrust bearing is had in the part in described thrust bearing seat ring chamber, the seat ring of described second thrust bearing is had in the another part in described thrust bearing seat ring chamber, bearing block and the second ball bearing, described first ball bearing is had in described first ball bearing chamber, the madial wall of described annular seal space is provided with the screw thread for being fixedly connected with cavity lock nut, the seat ring of described second thrust bearing, described bearing block, the outer ring of described second ball bearing, described cavity lock nut is according to dodging the technological means compressed, so, be conducive to set of shells processing.
10, the technical program comprises axostylus axostyle owing to have employed the little axle of described frock, described axostylus axostyle is provided with through hole vertically, one end of described axostylus axostyle is provided with workpiece connecting portion, the other end of described axostylus axostyle is provided with pin adapter sleeve, the shape of described workpiece connecting portion is cylindrical, the lateral surface of described workpiece connecting portion is provided with the external screw thread for fixedly connecing workpiece, the shape of described pin adapter sleeve is cylindrical, the head side wall of described pin adapter sleeve runs through fixed pin holes, opposing two sidewalls of the root of described pin adapter sleeve be provided with jaw technological means so, existing useless drilling rod not only can be utilized to be processed into the little axle of frock, and, also help the little axle of frock modified equably, improve the strength and stiffness of the little axle of frock.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the sliding rotary device that the utility model is used for dismounting great-lift angle helicoid hydraulic motor is described in further detail.
Fig. 1 is the structural representation of great-lift angle helicoid hydraulic motor in prior art.
Fig. 2 is the sliding rotary apparatus structure schematic diagram of the utility model for dismounting great-lift angle helicoid hydraulic motor.
Fig. 3 is the structural representation of Fig. 2 central axis.
Fig. 4 is the structural representation of set of shells in Fig. 2.
Fig. 5 is the structural representation of the little axle of frock in Fig. 2.
Description of reference numerals is as follows.
1 ~ spindle nose body;
1-1 ~ push-and-pull drives baffle ring;
1-2 ~ the first thrust axis;
1-3 ~ the second thrust axis;
1-4 ~ bearing gear;
1-5 ~ the first bolster;
1-6 ~ the second bolster;
1-7 ~ seal shaft;
1-8 ~ axle journal;
1-9 ~ clamping axle;
1-10 ~ thread head;
2 ~ sleeve body;
2-1 ~ set of shells;
2-1-1 ~ the first ball bearing chamber;
2-1-2 ~ thrust bearing seat ring chamber;
2-1-3 ~ annular seal space;
2-1-4 ~ thrust bearing blowout patche chamber;
2-1-5 ~ processing annular groove;
2-1-6 ~ pin connector;
2-1-7 ~ fixed pin holes;
The little axle of 2-2 ~ frock;
2-2-1 ~ axostylus axostyle;
2-2-2 ~ workpiece connecting portion;
2-2-3 ~ pin adapter sleeve;
2-2-4 ~ through hole;
2-2-5 ~ jaw;
2-2-6 ~ fixed pin holes;
2-3 ~ pin;
3 ~ bearing assembly;
3-1 ~ the first thrust bearing;
3-2 ~ the second thrust bearing;
3-3 ~ the first ball bearing;
3-4 ~ the second ball bearing;
3-5 ~ bearing block;
3-6 ~ cavity lock nut;
3-7 ~ sealing ring;
4 ~ bis-semicircle baffle ring;
5 ~ U-shaped holddown groove;
6 ~ packing ring baffle ring;
7 ~ nut;
8 ~ stator;
9 ~ rubber bodies;
9-1 ~ great-lift angle internal thread;
10 ~ rotor;
10-1 ~ great-lift angle external screw thread.
Detailed description of the invention
As shown in Figures 2 to 5, a kind of sliding rotary device for dismounting great-lift angle helicoid hydraulic motor that present embodiment provides, comprise spindle nose body 1 and sleeve body 2, the head of described spindle nose body 1 is positioned at the cavity of described sleeve body 2 one end, for being connected by sliding rotary between described spindle nose body 1 with described sleeve body 2; Described can sliding rotary connection be when described spindle nose body 1 is subject to axial compressive force effect respectively with described sleeve body 2, can relatively rotate between described spindle nose body 1 with described sleeve body 2, when described spindle nose body 1 is subject to axial tension effect respectively with described sleeve body 2, can relatively rotate between described spindle nose body 1 with described sleeve body 2; The afterbody of described spindle nose body 1 is provided with the connecting portion be connected with push-and-pull drive unit, the other end of described sleeve body 2 is provided with the connecting portion be connected with great-lift angle helicoid hydraulic motor, or, the afterbody of described spindle nose body 1 is provided with the connecting portion be connected with great-lift angle helicoid hydraulic motor, and the other end of described sleeve body 2 is provided with the connecting portion be connected with push-and-pull drive unit.
Present embodiment is positioned at the cavity of described sleeve body one end due to the head that have employed described spindle nose body, described spindle nose body with between described sleeve body for being connected by sliding rotary, described can sliding rotary connection be when described spindle nose body and described sleeve body are subject to axial compressive force effect respectively, described spindle nose body can rotate relatively with between described sleeve body, when described spindle nose body and described sleeve body are subject to axial tension effect respectively, described spindle nose body can rotate relatively with between described sleeve body, the afterbody of described spindle nose body is provided with the connecting portion be connected with push-and-pull drive unit, the other end of described sleeve body is provided with the connecting portion be connected with great-lift angle helicoid hydraulic motor, or, the afterbody of described spindle nose body is provided with the connecting portion be connected with great-lift angle helicoid hydraulic motor, the other end of described sleeve body is provided with the technological means of the connecting portion be connected with push-and-pull drive unit, in the process that the push-and-pull of great-lift angle helicoid hydraulic motor is installed and removed, can relatively rotate between stator with rotor, reduce the distortion of rubber bodies widely, so, can to exempt to wear and tear the internal thread of rubber bodies in stator by wall, substantially prolongs the service life of rubber bodies.
The first step as present embodiment is improved, and as shown in Figure 2, the head of described spindle nose body 1 can be connected by sliding rotary with described sleeve body 2 by bearing assembly 3.
Present embodiment due to the head that have employed described spindle nose body can the technological means that is connected of sliding rotary by bearing assembly and described sleeve body, so, frictional force between the head of spindle nose body and described sleeve body can be reduced widely, the flexibility of relative motion between the head of spindle nose body and described sleeve body can be increased widely.
Second step as present embodiment improves, as shown in Figures 2 to 4, described bearing assembly 3 comprises the first thrust bearing 3-1 and the second thrust bearing 3-2, the head of described spindle nose body 1 has push-and-pull to drive baffle ring 1-1, described first thrust bearing 3-1 and and the second thrust bearing 3-2 be positioned at the two ends that described push-and-pull drives baffle ring 1-1, the blowout patche of described first thrust bearing 3-1 is relative with the blowout patche of described second thrust bearing 3-2, the seat ring of described first thrust bearing 3-1 and the seat ring of described second thrust bearing 3-2 opposing, it is axially press to be connected that blowout patche and the described push-and-pull of described first thrust bearing 3-1 drive between baffle ring 1-1 end face, axially press to be connected between the seat ring of described first thrust bearing 3-1 and the cavity of described sleeve body 2 one end, it is axially press to be connected that blowout patche and the described push-and-pull of described second thrust bearing 3-2 drive between another end face of baffle ring 1-1, axially press to be connected between the seat ring of described second thrust bearing 3-2 and the cavity of described sleeve body 2 one end, or the head of described spindle nose body 1 directly drives baffle ring 1-1 to be formed can be connected by sliding rotary with the cavity of described sleeve body 2 one end by push-and-pull.
Present embodiment comprises the first thrust bearing and the second thrust bearing owing to have employed described bearing assembly, the head of described spindle nose body has push-and-pull to drive baffle ring, described first thrust bearing and and the second thrust bearing be positioned at described push-and-pull and drive the two ends of baffle ring, the blowout patche of described first thrust bearing is relative with the blowout patche of described second thrust bearing, the seat ring of described first thrust bearing and the seat ring of described second thrust bearing opposing, it is axially press to be connected that blowout patche and the described push-and-pull of described first thrust bearing drive between baffle ring end face, axially press to be connected between the seat ring of described first thrust bearing and the cavity of described sleeve body one end, it is axially press to be connected that blowout patche and the described push-and-pull of described second thrust bearing drive between another end face of baffle ring, axially press the technological means be connected between the seat ring of described second thrust bearing and the cavity of described sleeve body one end, so, can effectively prevent between the head of spindle nose body and sleeve body mutually stuck because of push-and-pull.
The 3rd step as present embodiment is improved, as shown in Figures 2 to 4, described bearing assembly 3 comprises the first ball bearing 3-3 and the second ball bearing 3-4, described first ball bearing 3-3 is positioned at one end of described spindle nose body 1 head, described second ball bearing 3-4 is positioned at the other end of described spindle nose body 1 head, the inner ring of described first ball bearing 3-3 is connected with one end of described spindle nose body 1 head, the outer ring of described first ball bearing 3-3 is connected with the cavity of described sleeve body 2 one end, the inner ring of described second ball bearing 3-4 is connected with the other end of described spindle nose body 1 head, the outer ring of described second ball bearing 3-4 is connected with the cavity of described sleeve body 2 one end, or the two ends, portion of described spindle nose body 1 are directly formed with the cavity of described sleeve body 2 one end and are rotatably connected.
Present embodiment comprises the first ball bearing and the second ball bearing owing to have employed described bearing assembly, described first ball bearing is positioned at one end of described spindle nose body head, described second ball bearing is positioned at the other end of described spindle nose body head, the inner ring of described first ball bearing is connected with one end of described spindle nose body head, the outer ring of described first ball bearing is connected with the cavity of described sleeve body one end, the inner ring of described second ball bearing is connected with the other end of described spindle nose body head, the technological means that the outer ring of described second ball bearing is connected with the cavity of described sleeve body one end, so, greatly can increase the head flexibility that rotate relative between sleeve body of spindle nose body.
The 4th step as present embodiment is improved, as shown in Figures 2 to 4, the outer ring of described second ball bearing 3-4 is connected with the cavity of described sleeve body 2 one end by bearing block 3-5, the shape of described bearing block 3-5 is cylindrical, and an end margin of described bearing block 3-5 radially inwardly shrinks the annulus being formed and block described second ball bearing 3-4 outer ring.
Present embodiment is connected by the cavity of bearing block with described sleeve body one end due to the outer ring that have employed described second ball bearing, the shape of described bearing block is cylindrical, one end margin of described bearing block radially inwardly shrinks the technological means being formed and block the annulus of described second ball bearing outer ring, so, be conducive to the assembling of sliding rotary device.
The 5th step as present embodiment is improved, as shown in Figures 2 to 4, the cavity hatch place of described sleeve body 2 one end is provided with cavity lock nut 3-6, the shape of described cavity lock nut 3-6 is annular, the lateral wall of described cavity lock nut 3-6 is provided with the screw thread for being connected with the cavity hatch of described sleeve body 2 one end, described cavity lock nut 3-6 has the coaxial stairstepping circular hole of two joints, wherein, the inwall of path circular hole is circumferentially provided with annular seal grooves, the sealing ring 3-7 for being connected with the seal shaft 1-7 seal rotary on described spindle nose body 1 is provided with in described annular seal grooves, described cavity lock nut 3-6 is positioned on the end face outside path circular hole and is distributed with dismounting hole, the described cavity lock nut 3-6 end face be positioned at outside the circular hole of large footpath withstands the outer ring of the second ball bearing 3-4.
Present embodiment is provided with cavity lock nut due to the cavity hatch place that have employed described sleeve body one end, the shape of described cavity lock nut is annular, the lateral wall of described cavity lock nut is provided with the screw thread for being connected with the cavity hatch of described sleeve body one end, described cavity lock nut has the coaxial stairstepping circular hole of two joints, wherein, the inwall of path circular hole is circumferentially provided with annular seal grooves, the sealing ring for being connected with the seal shaft seal rotary on described spindle nose body is provided with in described annular seal grooves, described cavity lock nut is positioned on the end face outside path circular hole and is distributed with dismounting hole, the described cavity lock nut end face be positioned at outside the circular hole of large footpath withstands the technological means of the outer ring of the second ball bearing, so, not only be conducive to the processing of sleeve body, also the assembling between sleeve body and spindle nose body is conducive to, also help the sealing between sleeve body and spindle nose body.
The 6th step as present embodiment is improved, as shown in Figure 2 to Figure 3, described spindle nose body 1 passes through and is followed successively by the first bolster 1-5, bearing gear 1-4, the first thrust axis 1-2, push-and-pull driving baffle ring 1-1, the second thrust axis 1-3, the second bolster 1-6, seal shaft 1-7, axle journal 1-8, clamping axle 1-9, thread head 1-10, described push-and-pull drives the diameter of baffle ring 1-1 to be greater than the diameter of described first thrust axis 1-2, the diameter of described first thrust axis 1-2 equals the diameter of described second thrust axis 1-3, the diameter of described first thrust axis 1-2 is greater than the diameter of described second bolster 1-6, the diameter of described second bolster 1-6 is greater than the diameter of described first bolster 1-5, the diameter of the first bolster 1-5 is greater than the diameter of described bearing gear 1-4, the diameter of described second bolster 1-6 is greater than the diameter of described seal shaft 1-7, the diameter of described seal shaft 1-7 is greater than described axle journal 1-8, the diameter of described seal shaft 1-7 equals the diameter of described clamping axle 1-9, the diameter of described clamping axle 1-9 is greater than the diameter of described thread head 1-10, described first thrust axis 1-2 is equipped with the first thrust bearing 3-1, described second thrust axis 1-3 is equipped with the second thrust bearing 3-2, described first bolster 1-5 is equipped with the first ball bearing 3-3, the inner ring diameter of described first ball bearing 3-3 is more than or equal to the diameter of described bearing gear 1-4, described second bolster 1-6 is equipped with successively bearing block 3-5 and the second ball bearing 3-4, described seal shaft 1-7 is equipped with cavity lock nut 3-6, described axle journal 1-8 is configured with two semicircle baffle ring 4, the lateral surface of described pair of semicircle baffle ring 4 is circumferentially provided with annular anchoring groove, described clamping axle 1-9 snaps in the U-shaped holddown groove 5 of push-and-pull hydraulic cylinder piston rod end, described thread head 1-10 is configured with packing ring baffle ring 6 and nut 7.
Present embodiment due to have employed described spindle nose body pass through be followed successively by the first bolster, bearing gear, the first thrust axis, push-and-pull drive baffle ring, the second thrust axis, the second bolster, seal shaft, axle journal, clamping axle, thread head, described push-and-pull drives the diameter of baffle ring to be greater than the diameter of described first thrust axis, the diameter of described first thrust axis equals the diameter of described second thrust axis, the diameter of described first thrust axis is greater than the diameter of described second bolster, the diameter of described second bolster is greater than the diameter of described first bolster, the diameter of the first bolster is greater than the diameter of described bearing gear, the diameter of described second bolster is greater than the diameter of described seal shaft, the diameter of described seal shaft is greater than described axle journal, the diameter of described seal shaft equals the diameter of described clamping axle, the diameter of described clamping axle is greater than the diameter of described thread head, described first thrust axis is equipped with the first thrust bearing, described second thrust axis is equipped with the second thrust bearing, described first bolster is equipped with the first ball bearing, the inner ring diameter of described first ball bearing is more than or equal to the diameter of described bearing gear, described second bolster is equipped with successively bearing block and the second ball bearing, described sealing axle sleeve is equipped with cavity lock nut, described axle journal is configured with two semicircle baffle ring, the lateral surface of described pair of semicircle baffle ring is circumferentially provided with annular anchoring groove, described clamping axle snaps in the U-shaped holddown groove of push-and-pull hydraulic cylinder piston rod end, described thread head is configured with packing ring baffle ring and nut, technological means, so, raw material can be saved widely, improve working (machining) efficiency.
As present embodiment the 7th step improve, as shown in Figure 2, described sleeve body 2 comprise set of shells 2-1 and with this set of shells 2-1 by the little axle 2-2 of the frock of pin 2-3 pin joint, described pin 2-3 is configured with hold-down nut.
Present embodiment due to have employed described sleeve body and comprise set of shells and with this set of shells by the little axle of the frock of pin pin joint, described pin is configured with the technological means of hold-down nut, so, be not only conducive to the processing of set of shells, and, be more conducive to the labour intensity reducing employee.
The 8th step as present embodiment is improved, as shown in Figure 2 and Figure 4, the shape of described set of shells 2-1 is tubular, one end closure of described set of shells 2-1 the pin connector 2-1-6 being formed and be fixedly connected with the little axle 2-2 of described frock that stretches out, the sidewall of described connector is provided with fixed pin holes 2-1-7, the cavity of described set of shells 2-1 forms three joint coaxial cylindrical cavitys of other end opening, the first ball bearing chamber 2-1-1 is followed successively by accent from the bottom of chamber, thrust bearing seat ring chamber 2-1-2, processing annular groove 2-1-5, annular seal space 2-1-3, described thrust bearing seat ring chamber 2-1-2 is divided into two parts in the axial direction by thrust bearing blowout patche chamber 2-1-4, the internal diameter of described thrust bearing blowout patche chamber 2-1-4 is greater than the internal diameter of described thrust bearing seat ring chamber 2-1-2, the internal diameter of described thrust bearing seat ring chamber 2-1-2 is greater than the internal diameter of described first ball bearing chamber 2-1-1, the internal diameter of described thrust bearing seat ring chamber 2-1-2 is less than the internal diameter of described annular seal space 2-1-3, and the internal diameter of described annular seal space 2-1-3 is less than the internal diameter of described processing annular groove 2-1-5, the blowout patche of the blowout patche of described first thrust bearing 3-1 and described second thrust bearing 3-2 is had in described thrust bearing blowout patche chamber 2-1-4, the seat ring of the first thrust bearing 3-1 is had in a part of described thrust bearing seat ring chamber 2-1-2, the seat ring of described second thrust bearing 3-2 is had in another part of described thrust bearing seat ring chamber 2-1-2, bearing block 3-5 and the second ball bearing 3-4, described first ball bearing 3-3 is had in described first ball bearing chamber 2-1-1, the madial wall of described annular seal space 2-1-3 is provided with the screw thread for being fixedly connected with cavity lock nut 3-6, the seat ring of described second thrust bearing 3-2, described bearing block 3-5, the outer ring of described second ball bearing 3-4, described cavity lock nut 3-6 compresses according to dodging.
Present embodiment due to the shape that have employed described set of shells be tubular, one end closure of described set of shells the pin connector being formed and be fixedly connected with the little axle of described frock that stretches out, the sidewall of described connector is provided with fixed pin holes, the cavity of described set of shells forms three joint coaxial cylindrical cavitys of other end opening, be followed successively by the first ball bearing chamber, thrust bearing seat ring chamber, processing annular groove, annular seal space from the bottom of chamber to accent, described thrust bearing seat ring chamber is divided into two parts in the axial direction by thrust bearing blowout patche chamber, the internal diameter in described thrust bearing blowout patche chamber is greater than the internal diameter in described thrust bearing seat ring chamber, the internal diameter in described thrust bearing seat ring chamber is greater than the internal diameter in described first ball bearing chamber, the internal diameter in described thrust bearing seat ring chamber is less than the internal diameter of described annular seal space, and the internal diameter of described annular seal space is less than the internal diameter of described processing annular groove, the blowout patche of the blowout patche of described first thrust bearing and described second thrust bearing is had in described thrust bearing blowout patche chamber, the seat ring of the first thrust bearing is had in the part in described thrust bearing seat ring chamber, the seat ring of described second thrust bearing is had in the another part in described thrust bearing seat ring chamber, bearing block and the second ball bearing, described first ball bearing is had in described first ball bearing chamber, the madial wall of described annular seal space is provided with the screw thread for being fixedly connected with cavity lock nut, the seat ring of described second thrust bearing, described bearing block, the outer ring of described second ball bearing, described cavity lock nut is according to dodging the technological means compressed, so, be conducive to set of shells processing.
The 9th step as present embodiment is improved, as shown in Figure 2 and Figure 5, the little axle 2-2 of described frock comprises axostylus axostyle 2-2-1, described axostylus axostyle 2-2-1 is provided with through hole 2-2-4 vertically, one end of described axostylus axostyle 2-2-1 is provided with workpiece connecting portion 2-2-2, the other end of described axostylus axostyle 2-2-1 is provided with pin adapter sleeve 2-2-3, the shape of described workpiece connecting portion 2-2-2 is cylindrical, the lateral surface of described workpiece connecting portion 2-2-2 is provided with the external screw thread for fixedly connecing workpiece, the shape of described pin adapter sleeve 2-2-3 is cylindrical, the head side wall of described pin adapter sleeve 2-2-3 runs through fixed pin holes 2-2-6, two sidewalls that the root of described pin adapter sleeve 2-2-3 is opposing are provided with jaw 2-2-5.
Present embodiment comprises axostylus axostyle owing to have employed the little axle of described frock, described axostylus axostyle is provided with through hole vertically, one end of described axostylus axostyle is provided with workpiece connecting portion, the other end of described axostylus axostyle is provided with pin adapter sleeve, the shape of described workpiece connecting portion is cylindrical, the lateral surface of described workpiece connecting portion is provided with the external screw thread for fixedly connecing workpiece, the shape of described pin adapter sleeve is cylindrical, the head side wall of described pin adapter sleeve runs through fixed pin holes, opposing two sidewalls of the root of described pin adapter sleeve be provided with jaw technological means so, existing useless drilling rod not only can be utilized to be processed into the little axle of frock, and, also help the little axle of frock modified equably, improve the strength and stiffness of the little axle of frock.
Claims (10)
1. the sliding rotary device for dismounting great-lift angle helicoid hydraulic motor, it is characterized in that: comprise spindle nose body (1) and sleeve body (2), the head of described spindle nose body (1) is positioned at the cavity of described sleeve body (2) one end, described spindle nose body (1) with between described sleeve body (2) for being connected by sliding rotary; Described can sliding rotary connection be when described spindle nose body (1) is subject to axial compressive force effect respectively with described sleeve body (2), described spindle nose body (1) can rotate relatively with between described sleeve body (2), when described spindle nose body (1) is subject to axial tension effect respectively with described sleeve body (2), described spindle nose body (1) can rotate relatively with between described sleeve body (2); The afterbody of described spindle nose body (1) is provided with the connecting portion be connected with push-and-pull drive unit, the other end of described sleeve body (2) is provided with the connecting portion be connected with great-lift angle helicoid hydraulic motor, or, the afterbody of described spindle nose body (1) is provided with the connecting portion be connected with great-lift angle helicoid hydraulic motor, and the other end of described sleeve body (2) is provided with the connecting portion be connected with push-and-pull drive unit.
2. the sliding rotary device for dismounting great-lift angle helicoid hydraulic motor according to claim 1, is characterized in that: the head of described spindle nose body (1) can be connected by sliding rotary with described sleeve body (2) by bearing assembly (3).
3. the sliding rotary device for dismounting great-lift angle helicoid hydraulic motor according to claim 2, it is characterized in that: described bearing assembly (3) comprises the first thrust bearing (3-1) and the second thrust bearing (3-2), the head of described spindle nose body (1) has push-and-pull to drive baffle ring (1-1), described first thrust bearing (3-1) and and the second thrust bearing (3-2) be positioned at described push-and-pull drive baffle ring (1-1) two ends, the blowout patche of described first thrust bearing (3-1) is relative with the blowout patche of described second thrust bearing (3-2), the seat ring of described first thrust bearing (3-1) and the seat ring of described second thrust bearing (3-2) opposing, it is axially press to be connected that blowout patche and the described push-and-pull of described first thrust bearing (3-1) drive between an end face of baffle ring (1-1), axially press to be connected between the seat ring of described first thrust bearing (3-1) and the cavity of described sleeve body (2) one end, it is axially press to be connected that blowout patche and the described push-and-pull of described second thrust bearing (3-2) drive between another end face of baffle ring (1-1), axially press to be connected between the seat ring of described second thrust bearing (3-2) and the cavity of described sleeve body (2) one end, or the head of described spindle nose body (1) directly drives baffle ring (1-1) to be formed can be connected by sliding rotary with the cavity of described sleeve body (2) one end by push-and-pull.
4. the sliding rotary device for dismounting great-lift angle helicoid hydraulic motor according to claim 2, it is characterized in that: described bearing assembly (3) comprises the first ball bearing (3-3) and the second ball bearing (3-4), described first ball bearing (3-3) is positioned at one end of described spindle nose body (1) head, described second ball bearing (3-4) is positioned at the other end of described spindle nose body (1) head, the inner ring of described first ball bearing (3-3) is connected with one end of described spindle nose body (1) head, the outer ring of described first ball bearing (3-3) is connected with the cavity of described sleeve body (2) one end, the inner ring of described second ball bearing (3-4) is connected with the other end of described spindle nose body (1) head, the outer ring of described second ball bearing (3-4) is connected with the cavity of described sleeve body (2) one end, or the two ends, portion of described spindle nose body (1) head are directly formed with the cavity of described sleeve body (2) one end and are rotatably connected.
5. the sliding rotary device for dismounting great-lift angle helicoid hydraulic motor according to claim 4, it is characterized in that: the outer ring of described second ball bearing (3-4) is connected with the cavity of described sleeve body (2) one end by bearing block (3-5), the shape of described bearing block (3-5) is cylindrical, and an end margin of described bearing block (3-5) radially inwardly shrinks the annulus that described second ball bearing (3-4) outer ring is blocked in formation.
6. the sliding rotary device for dismounting great-lift angle helicoid hydraulic motor according to claim 1, it is characterized in that: the cavity hatch place of described sleeve body (2) one end is provided with cavity lock nut (3-6), the shape of described cavity lock nut (3-6) is annular, the lateral wall of described cavity lock nut (3-6) is provided with the screw thread for being connected with the cavity hatch of described sleeve body (2) one end, described cavity lock nut (3-6) has the coaxial stairstepping circular hole of two joints, wherein, the inwall of path circular hole is circumferentially provided with annular seal grooves, the sealing ring (3-7) for being connected with seal shaft (1-7) seal rotary on described spindle nose body (1) is provided with in described annular seal grooves, described cavity lock nut (3-6) is positioned on the end face outside path circular hole and is distributed with dismounting hole, described cavity lock nut (3-6) end face be positioned at outside the circular hole of large footpath withstands the outer ring of the second ball bearing (3-4).
7. the sliding rotary device for dismounting great-lift angle helicoid hydraulic motor according to claim 1, is characterized in that: described spindle nose body (1) passes through and is followed successively by the first bolster (1-5), bearing gear (1-4), the first thrust axis (1-2), push-and-pull driving baffle ring (1-1), the second thrust axis (1-3), the second bolster (1-6), seal shaft (1-7), axle journal (1-8), clamping axle (1-9), thread head (1-10), described push-and-pull drives the diameter of baffle ring (1-1) to be greater than the diameter of described first thrust axis (1-2), the diameter of described first thrust axis (1-2) equals the diameter of described second thrust axis (1-3), the diameter of described first thrust axis (1-2) is greater than the diameter of described second bolster (1-6), the diameter of described second bolster (1-6) is greater than the diameter of described first bolster (1-5), the diameter of the first bolster (1-5) is greater than the diameter of described bearing gear (1-4), the diameter of described second bolster (1-6) is greater than the diameter of described seal shaft (1-7), the diameter of described seal shaft (1-7) is greater than described axle journal (1-8), the diameter of described seal shaft (1-7) equals the diameter of described clamping axle (1-9), the diameter of described clamping axle (1-9) is greater than the diameter of described thread head (1-10), described first thrust axis (1-2) is equipped with the first thrust bearing (3-1), described second thrust axis (1-3) is equipped with the second thrust bearing (3-2), described first bolster (1-5) is equipped with the first ball bearing (3-3), the inner ring diameter of described first ball bearing (3-3) is more than or equal to the diameter of described bearing gear (1-4), described second bolster (1-6) is equipped with successively bearing block (3-5) and the second ball bearing (3-4), described seal shaft (1-7) is equipped with cavity lock nut (3-6), described axle journal (1-8) is configured with two semicircle baffle ring (4), the lateral surface of described pair of semicircle baffle ring (4) is circumferentially provided with annular anchoring groove, described clamping axle (1-9) snaps in the U-shaped holddown groove (5) of push-and-pull hydraulic cylinder piston rod end, described thread head (1-10) is configured with packing ring baffle ring (6) and nut (7).
8. the sliding rotary device for dismounting great-lift angle helicoid hydraulic motor according to claim 1, it is characterized in that: described sleeve body (2) comprise set of shells (2-1) and with the frock little axle (2-2) of this set of shells (2-1) by pin (2-3) pin joint, described pin (2-3) is configured with hold-down nut.
9. the sliding rotary device for dismounting great-lift angle helicoid hydraulic motor according to claim 8, it is characterized in that: the shape of described set of shells (2-1) is tubular, one end closure of described set of shells (2-1) the pin connector (2-1-6) being formed and be fixedly connected with the little axle of described frock (2-2) that stretches out, the sidewall of described connector is provided with fixed pin holes (2-1-7), the cavity of described set of shells (2-1) forms three joint coaxial cylindrical cavitys of other end opening, the first ball bearing chamber (2-1-1) is followed successively by accent from the bottom of chamber, thrust bearing seat ring chamber (2-1-2), processing annular groove (2-1-5), annular seal space (2-1-3), described thrust bearing seat ring chamber (2-1-2) is divided into two parts in the axial direction by thrust bearing blowout patche chamber (2-1-4), the internal diameter of described thrust bearing blowout patche chamber (2-1-4) is greater than the internal diameter of described thrust bearing seat ring chamber (2-1-2), the internal diameter of described thrust bearing seat ring chamber (2-1-2) is greater than the internal diameter in described first ball bearing chamber (2-1-1), the internal diameter of described thrust bearing seat ring chamber (2-1-2) is less than the internal diameter of described annular seal space (2-1-3), and the internal diameter of described annular seal space (2-1-3) is less than the internal diameter of described processing annular groove (2-1-5), the blowout patche of the first thrust bearing (3-1) and the blowout patche of the second thrust bearing (3-2) is had in described thrust bearing blowout patche chamber (2-1-4), the seat ring of the first thrust bearing (3-1) is had in a part for described thrust bearing seat ring chamber (2-1-2), the seat ring of described second thrust bearing (3-2) is had in another part of described thrust bearing seat ring chamber (2-1-2), bearing block (3-5) and the second ball bearing (3-4), described first ball bearing (3-3) is had in described first ball bearing chamber (2-1-1), the madial wall of described annular seal space (2-1-3) is provided with the screw thread for being fixedly connected with cavity lock nut (3-6), the seat ring of described second thrust bearing (3-2), described bearing block (3-5), the outer ring of described second ball bearing (3-4), described cavity lock nut (3-6) compresses according to dodging.
10. the sliding rotary device for dismounting great-lift angle helicoid hydraulic motor according to claim 8, it is characterized in that: the little axle of described frock (2-2) comprises axostylus axostyle (2-2-1), described axostylus axostyle (2-2-1) is provided with through hole (2-2-4) vertically, one end of described axostylus axostyle (2-2-1) is provided with workpiece connecting portion (2-2-2), the other end of described axostylus axostyle (2-2-1) is provided with pin adapter sleeve (2-2-3), the shape of described workpiece connecting portion (2-2-2) is cylindrical, the lateral surface of described workpiece connecting portion (2-2-2) is provided with the external screw thread for fixedly connecing workpiece, the shape of described pin adapter sleeve (2-2-3) is cylindrical, the head side wall of described pin adapter sleeve (2-2-3) runs through fixed pin holes (2-2-6), two sidewalls that the root of described pin adapter sleeve (2-2-3) is opposing are provided with jaw (2-2-5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520985398.9U CN205219011U (en) | 2015-12-02 | 2015-12-02 | A push -and -pull rotary device that is used for big lead angle screw rod drilling tool of dismouting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520985398.9U CN205219011U (en) | 2015-12-02 | 2015-12-02 | A push -and -pull rotary device that is used for big lead angle screw rod drilling tool of dismouting |
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| Publication Number | Publication Date |
|---|---|
| CN205219011U true CN205219011U (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520985398.9U Expired - Fee Related CN205219011U (en) | 2015-12-02 | 2015-12-02 | A push -and -pull rotary device that is used for big lead angle screw rod drilling tool of dismouting |
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| Country | Link |
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| CN (1) | CN205219011U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107984193A (en) * | 2017-12-20 | 2018-05-04 | 红塔烟草(集团)有限责任公司 | A kind of shaft assembled speed reducer press mounting tool |
-
2015
- 2015-12-02 CN CN201520985398.9U patent/CN205219011U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107984193A (en) * | 2017-12-20 | 2018-05-04 | 红塔烟草(集团)有限责任公司 | A kind of shaft assembled speed reducer press mounting tool |
| CN107984193B (en) * | 2017-12-20 | 2024-05-24 | 红塔烟草(集团)有限责任公司 | Shaft-mounted speed reducer press-mounting tool |
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